Use buildSrc to deduplicate build logic (#262)

orx-jvm/orx-chataigne/build.gradle

@@ -1,26 +0,0 @@
-sourceSets {
-    demo {
-        java {
-            srcDirs = ["src/demo/kotlin"]
-            compileClasspath += main.getCompileClasspath()
-            runtimeClasspath += main.getRuntimeClasspath()
-        }
-    }
-}
-dependencies {
-    api project(":orx-jvm:orx-osc")
-
-    implementation libs.gson
-    demoImplementation(libs.openrndr.application)
-
-    demoRuntimeOnly(libs.openrndr.gl3.core)
-    demoRuntimeOnly(libs.openrndr.gl3.natives)
-    demoRuntimeOnly(libs.openrndr.extensions)
-    demoImplementation(libs.openrndr.ffmpeg)
-    demoRuntimeOnly(libs.openrndr.ffmpeg.natives)
-
-    demoImplementation(project(":orx-fx"))
-//    demoImplementation(project(":orx-osc"))
-
-    demoImplementation(sourceSets.getByName("main").output)
-}

orx-jvm/orx-chataigne/build.gradle.kts

@@ -0,0 +1,12 @@
+plugins {
+    org.openrndr.extra.convention.`kotlin-jvm`
+}
+
+dependencies {
+    implementation(libs.openrndr.application)
+    implementation(libs.openrndr.math)
+    api(project(":orx-jvm:orx-osc"))
+    implementation(libs.gson)
+    demoImplementation(libs.openrndr.ffmpeg)
+    demoImplementation(project(":orx-fx"))
+}